What Is Metamorphosis Process

02/06/2011 18:54

Throughout our lives, humans change. We start off as small and helpless creatures, grow to maturity and then grow older and frailer. However, we maintain our basic form throughout, with only minor variations. Insects and other creatures go through drastic physical changes, a process that is called metamorphosis.

Technically speaking a metamorphosis is when an animal develops physically after birth in a conspicuous and abrupt manner with the animal’s body undergoing dramatic cell growth and differentiation. However, it is probably more easily explained by example. Metamorphosis is when the caterpillar turns into a butterfly. Think of the dramatic change that occurs to the caterpillar’s body when it is inside the chrysalis, it goes from being a rotund creature that cannot fly to being an elegant creature of the sky.

All insects undergo metamorphosis, though not all go through the full process. There are two different forms of metamorphosis in insects, incomplete metamorphosis and complete metamorphosis. In the former, the nymph, as the first stage is called, has the same rough shape as the adult, but lacks certain elements, such as wings and is far smaller. Each time the creature moults, it gets much bigger quickly. With complete metamorphosis, the insect undergoes a total transformation. The butterfly is the perfect example of complete metamorphosis.

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